Mount Allen () is a mountain (3,430 m) located 5.2 mi southeast of Mount Craddock in the southern Sentinel Range, Ellsworth Mountains in Antarctica. The peak surmounts Saltzman Glacier to the north, Kornicker Glacier to the southeast, Bolgrad Glacier to the southwest and Brook Glacier to the west. It was mapped by the USGS from surveys and USN air photos in 1957-59. It was named by the US-ACAN for Lt. Forrest M. Allen, USNR, the co-pilot on reconnaissance flights from Byrd Station, 1957-58.
This article incorporates public domain material from the United States Geological Survey document "Mount Allen (Antarctica)" (content from the Geographic Names Information System).